Index: HemodialysisDevice.py
===================================================================
diff -u -r18637d43f1065ccc49a4cc67cfcf440874794cee -r3b321f8ad2966cce65d6234ea44d3a2d4d79d133
--- HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision 18637d43f1065ccc49a4cc67cfcf440874794cee)
+++ HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision 3b321f8ad2966cce65d6234ea44d3a2d4d79d133)
@@ -270,6 +270,8 @@
         # HD response to UF change request message field positions
         START_POS_UF_CHG_RSP_RESP = DenaliMessage.PAYLOAD_START_INDEX
         END_POS_UF_CHG_RSP_RESP = START_POS_UF_CHG_RSP_RESP + 4
+        START_POS_UF_CHG_RSP_REJECT_REASON = END_POS_UF_CHG_RSP_RESP
+        END_POS_UF_CHG_RSP_REJECT_REASON = START_POS_UF_CHG_RSP_REJECT_REASON + 4
         START_POS_UF_CHG_RSP_VOL = END_POS_UF_CHG_RSP_RESP
         END_POS_UF_CHG_RSP_VOL = START_POS_UF_CHG_RSP_VOL + 4
         START_POS_UF_CHG_RSP_TIME = END_POS_UF_CHG_RSP_VOL
@@ -312,26 +314,27 @@
 
             # initialize variables that will be populated by response from HD to UF change request
             self.UFChangeSucceeded = False
+            self.UFChangeRejectReason = 0
             self.UFChangeVolumeMl = 0
             self.UFChangeTimeMin = 0
             self.UFChangeRateMlMin = 0.0
             self.UFChangeTimeDiff = 0
             self.UFChangeRateDiff = 0.0
             # initialize variables that will be populated by response from HD to blood & dialysate flow rate change request
-            self.TargetBloodFlowRate = 0
-            self.TargetDialysateFlowRate = 0
             self.BloodAndDialysateFlowRateChangeSucceeded = False
             self.BloodAndDialysateFlowRateChangeRejectReason = 0
+            self.TargetBloodFlowRate = 0
+            self.TargetDialysateFlowRate = 0
 
         def handlerBloodAndDialysateChangeResponseFunction(self, message):
             """
                 Handler for response from HD regarding blood & dialysate flow rate change request.
 
                 \param message:  response message from HD regarding requested blood & dialysate flow rate settings change.\n
                     BOOL Accepted \n
-                    U32  UF Volume (mL) - converted to Liters \n
-                    U32  Treatment Time (min) \n
-                    U32  UF Rate (mL/min) \n
+                    U32  Reject reason (if not accepted) \n
+                    U32  Blood flow rate (mL/min) \n
+                    U32  Dialysate flow rate (mL/min) \n
 
                 \returns none
             """
@@ -359,6 +362,7 @@
 
                 \param message:  response message from HD regarding requested ultrafiltration settings change.\n
                     BOOL Accepted \n
+                    U32  RejectReason (if not accepted)
                     F32  UF Volume (mL) - converted to Liters \n
                     U32  Treatment Time (min) \n
                     F32  UF Rate (mL/min) \n
@@ -369,6 +373,8 @@
             """
             rsp = struct.unpack('i',bytearray(
                 message['message'][self.START_POS_UF_CHG_RSP_RESP:self.END_POS_UF_CHG_RSP_RESP]))
+            rea = struct.unpack('i',bytearray(
+                message['message'][self.START_POS_UF_CHG_RSP_REJECT_REASON:self.END_POS_UF_CHG_RSP_REJECT_REASON]))
             vol = struct.unpack('f',bytearray(
                 message['message'][self.START_POS_UF_CHG_RSP_VOL:self.END_POS_UF_CHG_RSP_VOL]))
             tim = struct.unpack('i',bytearray(
@@ -385,6 +391,7 @@
             else:
                 resp = True
             self.UFChangeSucceeded = resp
+            self.UFChangeRejectReason = rea[0]
             self.UFChangeVolumeL = vol[0] / self.LITER_TO_ML_CONVERSION_FACTOR
             self.UFChangeTimeMin = tim[0]
             self.UFChangeRateMlMin = rat[0]